Home / 286,864.20-395,885.97-165,982.10

Finding the Fourth Proportional to 286,864.20, 395,885.97 and 165,982.10

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Solution

The fourth proportional to 286,864.20, 395,885.97 and 165,982.10 is: 229,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,864.20 : 395,885.97 = 165,982.10 : x
  2. Step 2: Convert to fraction form
    286,864.20/395,885.97 = 165,982.10/x
  3. Step 3: Cross multiply
    286,864.20x = 395,885.97 × 165,982.10
  4. Step 4: Simplify right side
    286,864.20x = 65,709,982,681.71
  5. Step 5: Solve for x
    x = 65,709,982,681.71/286,864.20
  6. Step 6: Final answer
    x = 229,063.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.